#define _CRT_SECURE_NO_WARNINGS
//#include <stdio.h>
//#include <string.h>
//int main()
//{
//    printf("%d\n", strlen("c:\test\121"));
//    return 0;
//}
#include <stdio.h>
int num = 10;
int main()
{
    int num = 1;
    printf("num = %d\n", num);
    return 0;
}